Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
Home  >>  JEEMAIN and AIPMT  >>  Physics  >>  Class11  >>  Motion in a Plane
+1 vote

An object is moving around a circle of radius 1.5 meters at a constant velocity of 7 meters per second.The frequency of the motion,in revolutions per second,is

$\begin{array}{1 1}0.24\\0.53\\0.67\\0.74\end{array} $

Can you answer this question?

1 Answer

0 votes
Answer : The velocity is given by $v=\large\frac{2\pi R}{T}$,where T is the period,but the frequency f is just the reciprocal of the period.Thus,$v=2\pi Rf$
We substitute the known numbers to obtain f=0.74rev/s
answered Aug 14, 2014 by sreemathi.v

Related questions

Ask Question
student study plans
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App